NVIDIA Tesla K40m 's Advantages
More VRAM (12GB vs 8GB)
320 additional rendering cores
NVIDIA Quadro RTX 4000 Max Q 's Advantages
Released 5 years and 6 months late
Boost Clock has increased by 58% (1380MHz vs 876MHz)
Larger VRAM bandwidth (416.0GB/s vs 288.4GB/s)
Lower TDP (80W vs 245W)